ZA844479B - Downhole ring laser gyro - Google Patents
Downhole ring laser gyroInfo
- Publication number
- ZA844479B ZA844479B ZA844479A ZA844479A ZA844479B ZA 844479 B ZA844479 B ZA 844479B ZA 844479 A ZA844479 A ZA 844479A ZA 844479 A ZA844479 A ZA 844479A ZA 844479 B ZA844479 B ZA 844479B
- Authority
- ZA
- South Africa
- Prior art keywords
- ring laser
- laser gyro
- downhole ring
- downhole
- gyro
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/58—Turn-sensitive devices without moving masses
- G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
- G01C19/66—Ring laser gyrometers
- G01C19/661—Ring laser gyrometers details
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50602983A | 1983-06-20 | 1983-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA844479B true ZA844479B (en) | 1985-04-24 |
Family
ID=24012866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA844479A ZA844479B (en) | 1983-06-20 | 1984-06-13 | Downhole ring laser gyro |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS6018981A (en) |
AU (1) | AU2947684A (en) |
BE (1) | BE899974A (en) |
DE (1) | DE3422889A1 (en) |
FR (1) | FR2548357A1 (en) |
GB (1) | GB2141868A (en) |
IT (1) | IT8448410A0 (en) |
NL (1) | NL8401964A (en) |
NO (1) | NO842455L (en) |
SE (1) | SE8403264L (en) |
ZA (1) | ZA844479B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1252551A (en) * | 1984-01-09 | 1989-04-11 | Litton Systems, Inc. | Laser angular rate sensor with dithered mirrors |
DE3544074A1 (en) * | 1985-12-13 | 1987-06-19 | Teldix Gmbh | Device for generating rotary oscillations for ring-laser gyroscopes |
JP3367614B2 (en) * | 1991-10-17 | 2003-01-14 | 株式会社小松製作所 | Steering wheel hydraulic drive for dump trucks |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4115004A (en) * | 1976-11-15 | 1978-09-19 | Litton Systems, Inc. | Counterbalanced oscillating ring laser gyro |
DE2821330A1 (en) * | 1977-05-18 | 1978-11-30 | Litton Systems Inc | RING LASER GYROSCOPE |
US4190364A (en) * | 1977-09-07 | 1980-02-26 | The Singer Company | Ring laser gyroscope |
JPS5691487A (en) * | 1979-12-25 | 1981-07-24 | Kenji Aoshima | Manufacture of ring laser oscillator |
-
1984
- 1984-06-13 ZA ZA844479A patent/ZA844479B/en unknown
- 1984-06-18 IT IT8448410A patent/IT8448410A0/en unknown
- 1984-06-18 AU AU29476/84A patent/AU2947684A/en not_active Abandoned
- 1984-06-19 NO NO842455A patent/NO842455L/en unknown
- 1984-06-19 SE SE8403264A patent/SE8403264L/en not_active Application Discontinuation
- 1984-06-19 FR FR8409601A patent/FR2548357A1/en not_active Withdrawn
- 1984-06-20 BE BE0/213185A patent/BE899974A/en not_active IP Right Cessation
- 1984-06-20 GB GB08415751A patent/GB2141868A/en not_active Withdrawn
- 1984-06-20 JP JP59125435A patent/JPS6018981A/en active Pending
- 1984-06-20 DE DE19843422889 patent/DE3422889A1/en not_active Withdrawn
- 1984-06-20 NL NL8401964A patent/NL8401964A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE8403264D0 (en) | 1984-06-19 |
FR2548357A1 (en) | 1985-01-04 |
NO842455L (en) | 1984-12-21 |
IT8448410A0 (en) | 1984-06-18 |
NL8401964A (en) | 1985-01-16 |
JPS6018981A (en) | 1985-01-31 |
BE899974A (en) | 1984-12-20 |
GB2141868A (en) | 1985-01-03 |
DE3422889A1 (en) | 1984-12-20 |
SE8403264L (en) | 1984-12-21 |
AU2947684A (en) | 1985-01-03 |
GB8415751D0 (en) | 1984-07-25 |
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